Hopefully these positions mean they are just trying to expand quickly.

+1

Wrath and SC2 were supposed to release around the same time..
Spring 09 for SC2, Fall 09 D3 would be nice.
How can anyone fathom a 2010 or later release for SC2 when it's pretty much SC1 with better graphics, and a few more units.
They didn't have to go through the trouble of designing an entirely new game, especially since they failed to add a new race. Just tweak the old units, add a few different mechanics and you're set. (Feeding us the same game pretty much)
WoW was a completely new game so it needed more time to develop.
Expansions however take much less time to turn out because the game has been made before. Less testing is required because they know what works.